filter/source/svg/units.hxx

   1 /*************************************************************************
   2  *
   3  *    OpenOffice.org - a multi-platform office productivity suite
   4  *
   5  *    Author:
   6  *      Jan Holesovsky   <kendy@suse.cz>
   7  *      Fridrich Strba   <fridrich.strba@bluewin.ch>
   8  *      Thorsten Behrens <tbehrens@novell.com>
   9  *
  10  *      Copyright (C) 2008, Novell Inc.
  11  *
  12  *   The Contents of this file are made available subject to
  13  *   the terms of GNU Lesser General Public License Version 2.1.
  14  *
  15  ************************************************************************/
  16
  17 #ifndef INCLUDED_UNITS_HXX
  18 #define INCLUDED_UNITS_HXX
  19
  20 #include <sal/config.h>
  21
  22 namespace rtl{ class OUString; }
  23 namespace svgi
  24 {
  25     struct State;
  26     enum SvgUnit
  27     {
  28         SVG_LENGTH_UNIT_CM,
  29         SVG_LENGTH_UNIT_EM,
  30         SVG_LENGTH_UNIT_EX,
  31         SVG_LENGTH_UNIT_IN,
  32         SVG_LENGTH_UNIT_MM,
  33         SVG_LENGTH_UNIT_PC,
  34         SVG_LENGTH_UNIT_PT,
  35         SVG_LENGTH_UNIT_PX,
  36         SVG_LENGTH_UNIT_PERCENTAGE,
  37                 SVG_LENGTH_UNIT_USER
  38     };
  39
  40     /** return svg_length_t in 100th's of mm
  41          @param fVal value to convert
  42          @param unit unit the value is in
  43          @param rState current state (needed for viewport dimensions etc.)
  44          @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
  45      */
  46     double convLength( double fVal, SvgUnit unit, const State& rState, char dir );
  47
  48     /** return svg_length_t in 100th's of mm
  49          @param sValue value to convert
  50          @param rState current state (needed for viewport dimensions etc.)
  51          @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
  52      */
  53     double convLength( const rtl::OUString& sValue, const State& rState, char dir );
  54
  55     inline double pt2mm(double fVal) { return fVal*25.4/72.0; }
  56     inline double pt100thmm(double fVal) { return fVal*2540.0/72.0; }
  57
  58 } // namespace svgi
  59
  60 #endif